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Good cooler for I7-920 OC
I have 5 PCs with GA-EX58-UD3R mobo's, I7-920 CPU's and Corsair Dominator DDR3 RAM (Either 4 x 1gb or 3x2gb).
The PCs idle at 58 degrees celcius with MCH temps around the same when the ambient temperature outside the case is 30 degrees celcius. Under load, at the same ambient temperature the PCs run at 72-78 degrees celcius.
The CPU's are running stock coolers with 2 case fans (80mm side fan + 120mm rear fan). One of the PCs has a Noctua NH12P - which disappointingly appears to make not a single degree of difference to the temperatures.
The PSU's are 700w Coolermaster's I believe.
The PCs are running Gigabyte GTX460OC 1GB PCIe cards.
They have 1 HDD and a DVD Drive each, except for mine which has 2 x DVD + 1 x Blu-Ray player + 1 HDD.
I want to cool the CPUs enough to overclock. They are 2.66ghz stock. I'd like to push them to 3.0ghz to start. I believe they can go to 4.0ghz, but I'd be concerned I'm really shortening the CPU's life at that speed.
So the question is, given that there is not alot of space in the case (The NH12P is 120mm x 120mm x 145mm IIRC and it only just fits) - what is a good cooler that might lower the temps by 10 degrees or better, or if that is not achievable, what sort of reduction might I be looking at?
I'd prefer to keep the cost to around $80 per cooler, but not more than $100 each AUD if can't keep it under $80.
Any advice is greatly appreciated.
thanks
Tanya